Battery-operated LED lightbulb and method for operation thereof
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United States of America Patent
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Oct 15, 2019
Grant Date -
Jun 14, 2018
app pub date -
Dec 13, 2017
filing date -
Dec 13, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A battery-operated light bulb can be used as (i) a regular light bulb, inserted into a standard light socket to be powered off an electrical grid; (ii) an automatically battery back-up emergency and safety light bulb for operation when the electrical grid is offline; and (iii) a portable flashlight when separated from the light socket. The light bulb is also equipped with a motion sensor for turning on the light bulb when movement is detected; a timer for turning off the light bulb after a preset time period, and an ambient light sensor for adjusting the intensity of the light bulb depending on ambient light levels, with all of which the operation of the light bulb can be controlled so as to conserve power, to preserve battery life so it is available when needed in emergency situations, and to prolong the life of the bulb.
First Claim
Family
International Classification(s)
- F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
- H05B:ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE ....
- F21Y:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L,....
- F21K:LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21L:LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABL....
- F21S:NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF
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